69:51

وَإِنَّهُ لَحَقُّ الْيَقِينِ

Transliteration:

Wa-innahu lahaqqu alyaqeeni

Word by Word:

And indeed, it (is) surely (the) truth (of) certainty.

Translations:

for, verily, it is truth absolute!

But verily it is Truth of assured certainty.

And lo! it is absolute truth.

And surely it is the certain Truth.

And indeed, it is the truth of certainty.